Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646401 | Fiber optic grating and etalon sensor systems | — | 1997-07-08 |
| 5636021 | Sagnac/Michelson distributed sensing systems | — | 1997-06-03 |
| 5627927 | Fiber with multiple overlapping gratings | — | 1997-05-06 |
| 5591965 | Multiparameter sensor system using a multiple grating fiber optic birefringent fiber | — | 1997-01-07 |
| 5455698 | Secure communication alarm system | — | 1995-10-03 |
| 5446533 | Fiber optic measuring apparatus and method | John P. Theriault | 1995-08-29 |
| 5422772 | Secure fiber optic networks | Stuart E. Higley | 1995-06-06 |
| 5402231 | Distributed sagnac sensor systems | — | 1995-03-28 |
| 5397891 | Sensor systems employing optical fiber gratings | Timothy E. Clark | 1995-03-14 |
| 5380995 | Fiber optic grating sensor systems for sensing environmental effects | Timothy E. Clark | 1995-01-10 |
| 5311592 | Sagnac interferometer based secure communication system | — | 1994-05-10 |
| 5274488 | Secure communications system | — | 1993-12-28 |
| 5223967 | Secure communications system | — | 1993-06-29 |
| 5118931 | Fiber optic microbending sensor arrays including microbend sensors sensitive over different bands of wavelengths of light | John P. Theriault | 1992-06-02 |
| 5046848 | Fiber optic detection system using a Sagnac interferometer | — | 1991-09-10 |
| 4976507 | Sagnac distributed sensor | — | 1990-12-11 |
| 4898468 | Sagnac distributed sensor | — | 1990-02-06 |
| 4875775 | Reciprocally switched four modulator system | Ronald J. Michal, Richard F. Cahill | 1989-10-24 |
| 4834493 | Method of terminating an optical fiber | Richard F. Cahill, Jeffrey A. Eck, Gerald L. Schwantz, John P. Theriault, Philip A. Turek +2 more | 1989-05-30 |
| 4789241 | Optical fiber sensing systems having acoustical optical deflection and; modulation devices | Ronald J. Michal, Richard F. Cahill | 1988-12-06 |
| 4787741 | Fiber optic sensor | Ronald J. Michal, Steven F. Watanabe, John P. Theriault, Richard F. Cahill | 1988-11-29 |
| 4755051 | Vibrating optical fiber accelerometer and gyroscope | Richard F. Cahill | 1988-07-05 |
| 4743116 | Microbending optical fiber accelerometer and gyroscope | Philip M. Gretzkowski, Keith H. Wanser | 1988-05-10 |
| 4712306 | Fiber optic earth rotation gyro compass | Richard F. Cahill, Jeffrey A. Eck, Gerald L. Schwantz, John P. Theriault, Philip A. Turek +2 more | 1987-12-15 |
| 4588296 | Compact optical gyro | Richard F. Cahill | 1986-05-13 |